The Philadelphia Kixx were a long-running indoor soccer team that enjoyed strong popularity in the City of Brotherly Love for a few years during the late 1990’s. The club was originally founded as a National Professional Soccer League (NPSL) expansion franchise in 1996 by local businessman Ed Tepper.

Tepper was one of the pioneers of the sport of indoor soccer. He more or less stumbled across the sport during a brief stint as owner of the old Philadelphia Wings box lacrosse team that played at the Spectrum in 1974 and 1975. Captivated by the potential of the indoor game, Tepper quickly sold off the Wings to focus on soccer. He was a co-founder of the first pro indoor league, the Major Indoor Soccer League, in 1978. But Tepper had been away from the sport for more than a decade when came back to form the Kixx in 1995. Tepper kept the team until 2002, when he turned over primary ownership to local attorney Jeffrey Rotwitt. Rotwitt would support the club until its demise in 2010.

The Kixx were the top box office draw in the NPSL for three straight years from 1998 to 2000, averaging over 8,000 fans per game. But the team’s fortunes dipped in the 2000’s as Major League Soccer and the rapid growth of the outdoor game relegated a succession of indoor soccer leagues to irrelevance and disarray. The Kixx were further marginalized in 2009 when the Spectrum, their home of 13 years, closed it doors and the team was exiled to the Liacouras Center on the campus of Temple University. The club went on a hiatus at the end of the 2009-10 season, which turned out to be just a euphemism for going out of business.

The Kixx won two league championships during their fourteen-year run, capturing Major Indoor Soccer League titles in 2002 and 2007.

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The Kixx host the Baltimore Blast at the Spectrum, March 24, 2007.

The Kixx claim their second and final MISL championship against the Detroit Ignition, April 2007.